news, investigators have arrested a mississippi man in the case of tainted letters sent to president obama and a u.s. senator. police say that both letters tested positive for the deadly poison ricin. they were signed, i am kc, and i approve this message. they have been traced to a man near tupelo, mississippi. the letters were intercepted yesterday before they could reach their intended targets. >>> there was a measure that failed for more strict background checks for gun control. it was opposed by the national rifle association. the president blasted congress for killing the bill calling it a shameful day for washington. >> there were no coherent arguments as to why we wouldn't do this. it came down to politics. the worry that that vocal minority of gun owners would come after them in future elections. and so they caved to the pressure. and they started looking for an excuse, any excuse, to vote no. >> the president pinned the blame on a small minority of republican senators. however, five democrats also opposed the plan. >>> the wife of a former texas justice of the peace has been charg